Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Contract-Driven_Development.pdf
Search
Sponsored
·
Ship Features Fearlessly
Turn features on and off without deploys. Used by thousands of Ruby developers.
→
Francesco Strazzullo
September 10, 2021
Programming
0
610
Contract-Driven_Development.pdf
Francesco Strazzullo
September 10, 2021
Tweet
Share
More Decks by Francesco Strazzullo
See All by Francesco Strazzullo
Strategic Testing Decisions - Build Stuff 2021
francescostrazzullo
0
90
Domain-Driven Frontend
francescostrazzullo
0
2k
Strategic Testing Decisions
francescostrazzullo
0
360
A DIY Guide To Building Your Own Rendering Engine - CityJS2021
francescostrazzullo
2
120
Technical Decision-making Anti-patterns - Avanscoperta Meetup 2021
francescostrazzullo
0
430
How to Choose Your Next Technology Stack
francescostrazzullo
0
1.6k
The Definition of Framework
francescostrazzullo
1
1.6k
How to Choose Your Next Technology Stack
francescostrazzullo
1
280
Introduction To Alexa Custom Skills
francescostrazzullo
0
510
Other Decks in Programming
See All in Programming
登壇資料を作る時に意識していること #登壇資料_findy
konifar
4
1k
【卒業研究】会話ログ分析によるユーザーごとの関心に応じた話題提案手法
momok47
0
190
SourceGeneratorのススメ
htkym
0
190
そのAIレビュー、レビューしてますか? / Are you reviewing those AI reviews?
rkaga
6
4.5k
Unicodeどうしてる? PHPから見たUnicode対応と他言語での対応についてのお伺い
youkidearitai
PRO
1
2.5k
AI Agent Tool のためのバックエンドアーキテクチャを考える #encraft
izumin5210
6
1.8k
CSC307 Lecture 04
javiergs
PRO
0
660
0→1 フロントエンド開発 Tips🚀 #レバテックMeetup
bengo4com
0
560
コマンドとリード間の連携に対する脅威分析フレームワーク
pandayumi
1
450
副作用をどこに置くか問題:オブジェクト指向で整理する設計判断ツリー
koxya
1
600
16年目のピクシブ百科事典を支える最新の技術基盤 / The Modern Tech Stack Powering Pixiv Encyclopedia in its 16th Year
ahuglajbclajep
5
1k
AIフル活用時代だからこそ学んでおきたい働き方の心得
shinoyu
0
130
Featured
See All Featured
RailsConf 2023
tenderlove
30
1.3k
Introduction to Domain-Driven Design and Collaborative software design
baasie
1
580
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
32
2.1k
Faster Mobile Websites
deanohume
310
31k
The Illustrated Guide to Node.js - THAT Conference 2024
reverentgeek
0
250
How To Speak Unicorn (iThemes Webinar)
marktimemedia
1
380
A Tale of Four Properties
chriscoyier
162
24k
Neural Spatial Audio Processing for Sound Field Analysis and Control
skoyamalab
0
160
Visual Storytelling: How to be a Superhuman Communicator
reverentgeek
2
430
Amusing Abliteration
ianozsvald
0
97
Have SEOs Ruined the Internet? - User Awareness of SEO in 2025
akashhashmi
0
270
AI in Enterprises - Java and Open Source to the Rescue
ivargrimstad
0
1.1k
Transcript
Contract-Driven Development
Francesco Strazzullo (AKA Strazz) @TheStrazz86 Interested in #SoftwareDecisionMaking? Contact me!
Ego Slide
Who should listen to me? _
Every developer in a software delivery company
None
Companies that buy Software delivery
Why should you listen to me? _
“The structure of any system designed by an organization is
isomorphic to the structure of the organization.” https://en.wikipedia.org/wiki/Conway%27s_law
Clients are part of your Organization
What is a contract? —
“a binding agreement between two or more persons or parties”
https://www.merriam-webster.com/dictionary/contract
Contracts are a binding part of your Organization
None
How Contracts can affect Software Architecture _
Fixed Price/Fixed Scope —
None
Company Client Who risks more?
The Usual Path
None
Fixed Price Contracts does not permit learning
Time & Materials —
Company Client Who risks more?
None
What happens when you become more efficient?
T&M Contracts discourages Performances
None
T&M Contracts build “distrust”
None
Unconscious Decisions
None
Inverse Conway Maneuver —
“Inverse Conway Maneuver recommends evolving your team and organizational structure
to promote your desired architecture” https://www.thoughtworks.com/radar/techniques/inverse-conway-maneuver
Is there a third way? _
None
Money Back Guarantee Contract — https://github.com/flowingis/money-back-guarantee-contract
How it works? _
Start Sprint Pay Fixed Price End Ok? Enough? Continue? Yes
Yes No No No Yes
Time is not Known, Concentrate on the Value
Company Client Who risks more?
Testing? _
You Choose
Learning? _
You Choose
Architecture? _
You Choose
None
None
A perfect solution? _
Skin In The Game
Sprint Negotiation is hard
None
Practice makes perfect!
Interested? _
WE ♥ REMOTE WORKING Milan, Rome, Turin, Treviso, Bologna, Ancona,
Catania and wherever you want! We are hiring →
[email protected]
Thanks
[email protected]